Comparing Tables With Powershell

Shane O’Neill compares table columns with T-SQL and Powershell:

That is not really going to work out for us…
So I’m not liking the look of this, and going through the results, it seems to me that these results are just not useful. This isn’t the computers fault – it’s done exactly what I’ve told it to do – but a more useful result would be a list of columns and then either a simple ‘Yes’, or a ‘No’.

There’s syntax for this…PIVOT

This is helpful for normalizing a bunch of wide, related tables into a subclass/superclass pattern.

Related Posts

APPROX_COUNT_DISTINCT

Niko Neugebauer is happy with a new function in SQL Server 2019: A rather interesting result takes place if we scale our database to 100GB TPCH and run the very same queries – the total elapsed time jumps to 50% difference (from 30%), the CPU execution time difference is kept at 50%, but the memory […]

Read More

Simulating LAG And LEAD Prior To SQL Server 2012

Izik Ben-Gan highlights a reader submission from his last post: Last month I covered a Special Islands challenge. The task was to identify periods of activity for each service ID, tolerating a gap of up to an input number of seconds (@allowedgap). The caveat was that the solution had to be pre-2012 compatible, so you couldn’t […]

Read More

Categories

April 2017
MTWTFSS
« Mar May »
 12
3456789
10111213141516
17181920212223
24252627282930